If a Study Uses an Unrepresentative Sample, Which of the Following

Multiple Choice

If a study uses an unrepresentative sample, which of the following questions should you ask when assessing its external validity?

A) "Are the characteristics that make the sample biased actually relevant to what is being measured?"
B) "Is the sample size sufficiently large?"
C) "Is the study making a frequency, association, or causal claim?"
D) "Could the study have used a representative sample instead?"